Constant Q cepstral coefficients: A spoofing countermeasure for automatic speaker verification

• Published in: Computer speech & language Vol. 45; pp. 516 - 535
• Main Authors: Todisco, Massimiliano, Delgado, Héctor, Evans, Nicholas
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 01.09.2017
• Subjects: Automatic speaker verification; Cepstral analysis; Constant Q transform; Presentation attack detection; Spoofing countermeasures; Spoofing countermeasures; Cepstral analysis; Presentation attack detection; Automatic speaker verification; Constant Q transform

•Broad evaluation of constant Q cepstral coefficients for spoofing detection.•Linearisation of geometric space enables constant Q cepstral processing.•Variable spectro-temporal resolution key to detection performance.•State-of-the-art performance across three standard databases.•Cross-database resul...